Method for making graphite bearing seal

Technical areas

[0001] our campany relates to a graphite bearing seal, in particular to a graphite bearing seal making method. 

Background technology

[0002] The general bearing seal sleeve is made of metal or plastic, metal and plastic are easy to deform at high temperature, and metal is generally not corrosion resistant. The bearing seal sleeve made of graphite material can increase lubricity and reduce friction resistance, but it can not meet the requirements of high temperature resistance and corrosion resistance. 

[0003] our graphite bearing aims to solve the shortcomings of the prior art and provides a method for making graphite bearing seal cover with good sealing effect and high temperature resistance and corrosion resistance.

[0004] The technical scheme of our campany is as follows: a method for making a graphite bearing seal envelope, the graphite bearing seal envelope is made of high strength isostatic pressing graphite material, and the graphite material is impregnated in asphalt and phenolic resin. After impregnation, it is treated by high temperature carbonization.

[0005] As a further improvement of our campany, the graphite material for making graphite bearing seal is high strength isostatic pressing graphite. If the sealing requirement is not high, it can not be impregnated, if the sealing requirement is high, it must be impregnated. The impregnation material is asphalt and phenolic resin.

https://www.vet-china.com/graphite-bearingbushing/

[0006] Beneficial effect: the graphite bearing seal of our campany has the effect of corrosion resistance and high temperature resistance after impregnation and carbonization of asphalt and phenolic resin, and can meet the requirements of high sealing at the same time.

[0007] A method for making a graphite bearing seal which adopts high strength isobaric stone. The graphite material is impregnated three times in asphalt and phenolic resin, and then treated three times by high temperature carbonization after impregnation.

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